#ifndef __MP3__
#define __MP3__

#include "stm32f4xx_hal.h"
#include "usart.h"
#include "stdio.h"

#define targetHuart &huart2//change uartbase

extern uint8_t cmd,data;

void FirstSong();
void volumeInit();
void preSong();
void nextSong();
void volumeplus();
void volumeminus();
void stopSong();
void playSong();
void requestSongInfo();
void requestVoInfo();
void requestAllNum();
void requestPlayingState();
void playAtCircle();
void playAtRandom();
void requestPlayState();
void loop();
void OrderSong(int num);
void changeVol(int volValue);

#endif